Issue #3088917 by quietone, gbirch, marvil07, Wim Leers: Map text_plain field...

Issue #3088917 by quietone, gbirch, marvil07, Wim Leers: Map text_plain field formatter to basic_string for long text fields

(cherry picked from commit 775223c0)

core/modules/text/src/Plugin/migrate/field/d7/TextField.php

@@ -34,7 +34,7 @@ public function getFieldFormatterType(Row $row) {
         break;
 
       case 'string_long':
-        $formatter_type = str_replace('text_default', 'basic_string', $formatter_type);
+        $formatter_type = str_replace(['text_default', 'text_plain'], 'basic_string', $formatter_type);
         break;
     }
 

core/modules/text/tests/src/Unit/Plugin/migrate/field/d7/TextFieldTest.php

@@ -25,12 +25,13 @@ protected function setUp(): void {
   }
 
   /**
-   * Data provider for getFieldFormatterType().
+   * Data provider for testGetFieldFormatterType().
    */
   public function getFieldFormatterTypeProvider() {
     return [
       ['text', 'text_plain', 'string'],
       ['text_long', 'text_default', 'basic_string'],
+      ['text_long', 'text_plain', 'basic_string'],
     ];
   }
 
@@ -39,7 +40,7 @@ public function getFieldFormatterTypeProvider() {
    * @covers ::getFieldType
    * @dataProvider getFieldFormatterTypeProvider
    */
-  public function testGetFieldType($type, $formatter_type, $expected) {
+  public function testGetFieldFormatterType($type, $formatter_type, $expected) {
     $row = new Row();
     $row->setSourceProperty('type', $type);
     $row->setSourceProperty('formatter/type', $formatter_type);